Home / Standards / GB/T 34248-2017 GB/T 34248-2017 Active Performance test method of three-way catalyst 汽车尾气三效催化剂性能试验方法 Standard Type GBT ICS 71.100.99 CCS G74 Status 现行 Issue Date 2017-09-07 Implementation 2018-04-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A